Tilt analysis of pleomorphic vesicles in the superficial layers of the superior colliculus of Galago and chimpanzee
- PMID: 1133589
- DOI: 10.1007/BF01102114
Tilt analysis of pleomorphic vesicles in the superficial layers of the superior colliculus of Galago and chimpanzee
Abstract
Pleomorphic vesicles in two different classes of 'flat-vesicle-containing profiles'(F-profiles) from the superficial layers of the superior colliculus of Galago and chimpanzee were found to be disk-like in shape as revealed by tilt analysis. In both primates, presynaptic dendrites, postsynaptic F-profiles and exclusively presynaptic F-profiles cannot be distinguished on the basis of vesicle morphology. This lends to support to the notion that F-profiles originate from one type of neuron. Modifications of the basic disk shape are interpreted as manifestations of different stages in the life cycle of individual vesicles.
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